Find the Missing Addend Task Cards for 3rd Grade Three-Digit Addition
- Gold Key
- Master Key
Description
Students pick a card, read a three-addend equation such as 230 + 120 + ___ = 450, and add or subtract to find the missing addend while showing their work on the mat. A 3rd grade math center for multi-digit addition and subtraction within 1000 in morning bins and small groups. Supports CCSS 3.NBT.A.2 and 3.OA.D.8.
